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Literature summary for 3.2.1.11 extracted from
- Molecular characterization of dextranase from Streptococcus rattus (2004), Microbiol. Immunol., 48, 155-162.
Cloned(Commentary)
| Cloned (Comment) | Organism |
|---|---|
| expression in Escherichia coli | Streptococcus ratti |
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 97596 | - |
x * 97596, deduced from nucleotide sequence | Streptococcus ratti |
| 135000 | - |
x * 135000, SDS-PAGE | Streptococcus ratti |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| dextran + H2O | Streptococcus ratti | - |
fragments of dextran | - |
? |  |
| dextran + H2O | Streptococcus ratti ATCC 19645 | - |
fragments of dextran | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Streptococcus ratti | - |
strain ATCC19645 | - |
| Streptococcus ratti ATCC 19645 | - |
strain ATCC19645 | - |
Purification (Commentary)
| Purification (Comment) | Organism |
|---|---|
| recombinant dextranse | Streptococcus ratti |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| dextran + H2O | - |
Streptococcus ratti | fragments of dextran | - |
? | |
| dextran + H2O | - |
Streptococcus ratti ATCC 19645 | fragments of dextran | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| ? | x * 135000, SDS-PAGE | Streptococcus ratti |
| ? | x * 97596, deduced from nucleotide sequence | Streptococcus ratti |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 40 | - |
- |
Streptococcus ratti |
Temperature Range [°C]
| Temperature Minimum [°C] | Temperature Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 25 | 45 | approx. 50% of maximal activity at 30°C, dramatic decrease in activity above 45°C | Streptococcus ratti |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 5 | - |
- |
Streptococcus ratti |
pH Range
| pH Minimum | pH Maximum | Comment | Organism |
|---|---|---|---|
| 3.5 | 7 | less than 50% activity below pH 3.8 and above pH 6.2 | Streptococcus ratti |
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Release 2023.1 (January 2023)
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